R215P-009 DN 15 , Kvs 0.09 R215P-036 DN 15 , Kvs 0.36 R220P-036 DN 20 , Kvs 0.36 R220P-066 DN 20 , Kvs 0.66 R225P-057 DN 25 , Kvs 0.57 R225-098 DN 25 , Kvs 0.98 R232P-098 DN 32 , Kvs 0.98 R232P-151 DN 32 , Kvs 1.51 R240P-164 DN 40 , Kvs 1.64 R240P-208 DN 40 , Kvs 2.8 R250P-252 DN 50 , Kvs 2.52 R250P-505 DN 50 , Kvs 5.05